P6FB : Press. Sens. Err. Inlet B

If inlet pressure sensors are not installed, they should be disabled on the ADM's Setup > Supply System screen.

Check to ensure inlet pressure sensor is properly installed and all wires are properly connected.

Check if the error follows the intel pressure sensor. Disconnect inlet pressure sensor cables from the module (connectors 4 and 5). Reverse A and B connections and check if the errors follows. If the error follows the sensor, replace the inlet pressure sensor.